Definition: In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.
Input: ['g', '5405', 'V', 'w', '2479', '7977']

7, 5405, 22, 23, 2479, 7977